May 1920
1 May
The small Thuringian states join together to form the new state of Thuringia.
[Büttner, p. 776]
11 May
The Hanseatic City of Bremen adopts the final version of its constitution.
[Overesch/Saal, p. 101]
15 May
The Reich government deploys the Freikorps.
[Overesch/Saal, p. 101]
17 May
The Landtag in Schwerin adopts the new constitution of the federal state Mecklenburg-Schwerin by a large majority.
[Overesch/Saal, p. 102]
25 May
Reichspräsident Friedrich Ebert lifts the state of emergency imposed in the wake of the unrest that followed the Kapp Putsch.
[Overesch/Saal, p. 103]